Liddell-Scott-Jones

τραγέλαφος (tragelaphos) an antelope ^G:N-M

τραγέλαφος-έλᾰφος, ὁ,

goat-stag, a fantastic animal, represented on Eastern carpets and the like, [τραγέλαφοςελάφους καὶ τὰ τοιαῦτα μειγνύντες γράφουσιν 5th-6th c.BC: Plato Philosophus “Respublica” 488a, compare 4th c.BC: Aristoteles Philosophus “Analytica Priora” 49a24, “APo.” 92b7; ποῦ ἐστὶ τ. ἢ σφίγ; [prev. author] “Ph.” 208a30. ">Refs 5th c.BC+]

__2 a drinking-cup, which had such a creature worked in relief on the fore-part, or was itself in this shape, [τραγέλαφοςελάφων προτομὰς ἐκτύπους, ἐξ ὧν ἤρτηντο κρίκοι 1st c.BC: Diodorus Siculus Historicus 18.26 ">Refs 4th c.BC+]; as a signet, [Refs 2nd c.BC+]
__3 a what's-itsname, thingumbob, τίθεται (i.e. σκινδαψός) καὶ κατ᾽ οὐδενὸς (perhaps καὶ ἐπὶ τοῦ δεῖνος legend.) ὡς τὸ τραγέλαφοςέλαφος [Refs 5th c.AD+]
__II later, a real animal of Arabia, or on the Phasis, probably a kind of wild goat or antelope, [LXX+1st c.BC+]

_{LSJ Scripture Refs: LXX.Job.39.1}